CN106494651A - A kind of non-firer's separator of low impact - Google Patents
A kind of non-firer's separator of low impact Download PDFInfo
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- CN106494651A CN106494651A CN201611039566.0A CN201611039566A CN106494651A CN 106494651 A CN106494651 A CN 106494651A CN 201611039566 A CN201611039566 A CN 201611039566A CN 106494651 A CN106494651 A CN 106494651A
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- locking sleeve
- housing
- separator
- ball
- firer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/645—Separators
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- Aviation & Aerospace Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
A kind of non-firer's separator of low impact, between rocket level, between the satellite and the rocket, the locking of satellite sun windsurfing and antenna etc. and release, using marmem as trigger switch, and be equipped with the parts such as spring, locking sleeve, point lobe nut and constitute.SME based on marmem, tensile pre-deformation is first carried out to which during assembling, when needing to separate unblock, to alloy material electrified regulation to its phase transition temperature, make it restore to the shape before predeformation, and then triggering block action is driven, locking sleeve is disengaged with point lobe nut, realize the release of the load such as satellite.After first separation is completed, it is convenient to take out the trigger part of enclosure interior, shape-memory alloy wire is carried out again to load after predeformation using special tooling, you can reuse.The separator of the present invention impacts low, reusable, pollution-free, low cost, uses safety, is particularly suited for separately impacting the occasion having high demands.
Description
Technical field
The present invention relates to spacecraft locking separation technology field, non-firer's separator of more particularly to a kind of low impact.
Background technology
With the development of the technology such as micro ＆ nano technology, integrated multi-functional structure, integrated integrated electronicses, spacecraft precise treatment
Trend is more obvious, such as the development and application of microsatellite, just progressively substitutes some space tasks of traditional large satellite.With space flight
Device precision, the raising of integration degree, require to the separation impact similar to accurate spacecraft as microsatellite more next
More harsh.The at present domestic separator that adopts is substantially firer's separator, but its impact for producing big (3000g～
5000g), the damage or misoperation of peripheral parts is easily caused, affects to separate reliability, be difficult to be suitable for precision spacecraft or which is attached
The separation of category part.Meanwhile, there is the shortcomings of inflammable and explosive, inconvenient storage, transport and operation, safety in utilization in firer's separator
Difference；Belong to running stores, not reproducible use, reliability are difficult to verify；A certain proportion of sample need to be extracted from batch product
Product do blasting test to verify batch qualification rate, certainly will increase cost.In consideration of it, the separator of low impact is in space industry
Application demand is more and more strong.
Content of the invention
The technical problem to be solved in the present invention is：The deficiencies in the prior art, the present invention are overcome to provide a kind of the non-of low impact
Firer's separator, low impact, the separator of reusable, pollution-free, safe, low cost, so that meet space flight
Device and its special of associate member separate demand, improve and separate reliability and security.
The technical solution adopted in the present invention is：A kind of non-firer's separator of low impact, including marmem
Silk, triggering block, point lobe nut, locking sleeve, compression spring, safety spring, buffer spring, ball, ball baffle ring, steel ball, shell
Body, end cap, upper bracket, lower carriage；Upper bracket is located in housing, on lower carriage, is formed between upper bracket and lower carriage
Cavity, triggering block is in cavity；After shape-memory alloy wire doubling, doubling end is fixed in triggering block, and leading-out terminal is passed through
Upper bracket end face middle through-hole is separately fixed on upper bracket end face, and safety spring is arranged between upper bracket and triggering block, is carried
Make shape-memory alloy wire exceptionally straight for tension force；Lower carriage end flange is stuck at inner walls ledge structure, other end insertion lock
In tight sleeve, locking sleeve intermediate membrane side is located at, buffer spring is enclosed within lower carriage outer wall, one end and lower carriage end method
Blue connection, the other end are connected with locking sleeve one end end；The locking sleeve other end is against on housing end face, in housing；
Compression spring is enclosed within locking sleeve outer wall, and one end is against on locking sleeve outer wall ledge structure, and the other end is against housing end face
On；Steel ball inlay card in locking sleeve inboard wall groove and lower carriage lateral through aperture and is against triggering block outer wall, and triggering block is not installed
Spring one end side wall has the groove coordinated under released state with steel ball；Lobe nut is divided to be located at locking sleeve intermediate membrane opposite side,
Bolt passes through housing end face center, end to be arranged in point lobe nut, in the center of locking sleeve intermediate membrane, housing end face
The bulge-structure of wall center is inserted point lobe nut two ends respectively and is coordinated with point lobe nut inner hole；Ball baffle ring is enclosed within locking sleeve
On, ball is embedded in locking sleeve sidewall notches, is against ball baffle ring inwall on the outside of ball, and inner side is against a point lobe nut side
Wall, a point lobe nut side wall have the groove under released state with ball engagement；End cap is arranged on shell nozzle end.
The buffer spring at the locking sleeve two ends and compression spring are compressive state, and the tension force of compression spring is more than slow
Spring is rushed, and locking sleeve support motion upwards is driven when shape-memory alloy wire is triggered.
The material of the shape-memory alloy wire is Nitinol.
Coordinated by standard thread between described point of lobe nut and bolt.
The housing is hexa-prism cylinder or cylindrical drum, and one end open, the other end have end face；Housing is near bolt
There is flange mounting surface one end.
Present invention advantage compared with prior art is：
(1) igniter module that the present invention is made up of shape-memory alloy wire 10 and triggering block is the core of the present invention
Part, shape-memory alloy wire before separator is loaded have carried out pre-tension deformation process by special tooling to which, can facilitate
Realize reusing in ground.
(2) of the invention when separator is in locking state, by between compression spring, safety spring, buffer spring
Dynamic balance and the inlay card of steel ball, it is ensured that locking sleeve position is fixed, so as to a point lobe nut radial constraint, make bolt with a point lobe spiral shell
In effectively connection state, mother realizes that the reliability to load is locked.
(3) of the invention when separator will be unlocked and be separated, by heating to shape-memory alloy wire so as to quick liter
Temperature because the material has SME, can return to original shape to more than phase transition temperature, so as to drive triggering block to transport
Dynamic, make steel ball, ball be embedded in succession relevant position, release the radial constraint of point lobe nut, bolt is separated with a point lobe nut,
Can achieve to efficiently separate load.
(4) present invention is after first separation is completed, it is convenient to by the upper bracket of enclosure interior, lower carriage, safe bullet
Spring, triggering block, shape-memory alloy wire integrally take out, and shape-memory alloy wire are carried out after predeformation again using special tooling
Load, can achieve to reuse.
(5) present invention is suitable for the separation trigger signal types of spacecraft standard, and reaches equal with firer's separator
Technical indicator, concurrently separate impact little (within 500g), (no less than 20 times) can be repeatedly used；May be used on all kinds of boats
The locking of its device and its associate member and separate, such as rocket, manned spaceship, satellite, solar array, antenna etc., while can promote
Civil area is applied to, and is limited because trigger not being separated by spacecraft standard, can be according to specific interface requirement and use
Require, adjust corresponding index.
Description of the drawings
The non-firer's separator construction profile figures of Fig. 1；
Non- firer's separator section of structure under Fig. 2 locking states；
Non- firer's separator section of structure under Fig. 3 released states；
The non-firer's separators of Fig. 4 repeat predeformation schematic diagram.
Specific embodiment
As shown in Fig. 1～Fig. 2, the present invention provides a kind of non-firer's separator of low impact, and the separator is by shape
Memory alloy wire 10, triggering block 11, point lobe nut 6, locking sleeve 12, compression spring 5, safety spring 2, buffer spring 3, ball
13rd, ball baffle ring 14, steel ball 4, housing 8, end cap 7, upper bracket 1, lower carriage 2 are constituted, and structure composition figure is as shown in Figure 2.
Housing 8 is flange mounting surface near one end of bolt 15, before bolt 15 is connected with non-firer's separator, can be by
Non- firer's separator is fixed on place to be installed；Upper bracket 1 is located in housing 8, on lower carriage 9, upper bracket 1 and lower
Cavity is formed between frame 9, and triggering block 11 is in cavity；After 10 doubling of shape-memory alloy wire, doubling end is fixed on triggering
On block 11, leading-out terminal is separately fixed on 1 end face of upper bracket through 1 end face middle through-hole of upper bracket, and safety spring 2 is installed in upper
Between support 1 and triggering block 11, there is provided tension force makes shape-memory alloy wire 10 exceptionally straight；9 end flange of lower carriage is stuck in housing 8
At wall stand stage structure, in other end insertion locking sleeve 12,12 intermediate membrane side of locking sleeve is located at, buffer spring 3 is enclosed within
On 9 outer wall of lower carriage, one end is connected with 9 end flange of lower carriage, and the other end is connected with 12 one end end of locking sleeve；Lock sleeve
12 other ends of cylinder are against on 8 end face of housing, and locking sleeve 12 is located in housing 8；Compression spring 5 is enclosed within 12 outer wall of locking sleeve
On, one end is against on 12 outer wall ledge structure of locking sleeve, and the other end is against on 8 end face of housing；4 inlay card of steel ball is in locking sleeve
In 9 lateral through aperture of 12 inboard wall grooves and lower carriage and with 11 wall contacts of triggering block, triggering block 11 do not install spring one end side wall
There is the groove coordinated under released state with steel ball 4；Lobe nut 6 is divided to be located at 12 intermediate membrane opposite side of locking sleeve, bolt 15 is worn
8 end face center of housing is crossed, end is arranged in point lobe nut 6, in the center of 12 intermediate membrane of locking sleeve, 8 end face of housing
The bulge-structure of wall center inserts point 6 two ends of lobe nut respectively with point 6 inner hole of lobe nut；Ball 13 is embedded in locking sleeve
In 12 sidewall notches, ball baffle ring (14) inwall on the outside of ball (13), is against, inner side is against 6 side wall of point lobe nut, point lobe spiral shell
Female 6 side walls have the groove coordinated under released state with ball 13；End cap 7 is arranged on 8 openend of housing.Housing 8 is hexa-prism
Cylinder, one end open, the other end have end face.External equipment is connected with the separator of the present invention by bolt 15, after unblock, spiral shell
Bolt 15 is separated with a point lobe nut 6, and external equipment is realized separating.
The material of shape-memory alloy wire 10 is NiTi (NiTi) alloy, and the material has good SME,
Material memory strain reachable 8%.
One end of shape-memory alloy wire 10 is fixed in triggering block 11, and the other end (leading-out terminal) is fixed on upper bracket 1,
Safety spring 2 is arranged between upper bracket 1 and triggering block 11, there is provided tension force makes shape-memory alloy wire 10 exceptionally straight, and prevents from touching
Send out 11 axial float of block and misread lock.Inlay card, in 12 corresponding groove of lower carriage 9 and locking sleeve, constrains lock to steel ball 4 simultaneously
Tight sleeve 12 does not produce axially-movable.The buffer spring 3 at 12 two ends of locking sleeve and compression spring 5 are compressive state, compression
The tension force of spring 5 can drive locking sleeve 12 to move upwards more than buffer spring 3 when trigger is triggered.Ball 13 is embedded in lock
In 12 corresponding groove of tight sleeve, constraint point lobe nut 6 does not produce radial motion.
Shape-memory alloy wire 10 has carried out pre-tension deformation process before separator is loaded so as to reach preboarding
Shape, then completes the assembling of separator.When separator is in locking state (Fig. 2), safety spring 3 and compression spring 5
Tension force and steel ball 4 inlay card ensure locking sleeve 12 be fixed on constant position.Locking sleeve 12 passes through 13 pairs of points of lobe spiral shells of ball
Female 6 radially exert a force, and make that point lobe nut 6 is effective with bolt 15 to be engaged, locking of the realization to load.
As shown in figure 3, before separator will unlock separation, by heating to shape-memory alloy wire 10 so as to fast
Speed is warmed up to more than phase transition temperature, and now shape-memory alloy wire 10 axially contracts deformation, drives triggering block 11 to move upwards,
After moving to certain position, steel ball 4 can be slipped in the groove of triggering block 11.Now locking sleeve 12 is unlocked.Locking sleeve 12 is received
The thrust of compression spring 6 and move upwards, and drive ball 13 to move upwardly together, ball 13 is embedded in after moving to certain position
Divide in the groove of lobe nut 6, point lobe nut 6 power radially is applied to by locking sleeve 12 and ball 13 now and is disappeared, point lobe
Nut 6 is disengaged by outer tension force, so that a point lobe nut 6 is departed from bolt 15, and then realizes the separation to load.
As shown in figure 4, after separation is complete, by end cap 7 is dismantled, it is convenient to by upper bracket 1, lower carriage 9 together with
Shape-memory alloy wire 10, triggering block 11 in which, 2 overall taking-up of safety spring, as shown in Figure 4.By the pre- of particular design
Stretching tool carries out predeformation to shape-memory alloy wire 10, after completing predeformation, the part is reloaded in housing, you can
Realize reusing.
Separator of the present invention using shape-memory alloy wire 10 as trigger switch, imitate by the shape memory based on the material
Should, carry out pre-treatment before assembly to the material, before unblock is separated, by heating to which so as to reach phase transition temperature, produce
Raw deformational displacement, and then drive 12 axially-movable of triggering block, it is recessed in triggering block 12 to be that the steel ball 4 being embedded in retainer 9 is slipped into
In groove, and then move axially locking sleeve 12, while drive ball 13 to move, and the corresponding recesses slipped on point lobe nut 6
In, make point lobe nut 6 radially decoupled, realize that the separation to load discharges.
The separator of the present invention can be repeatedly used, after first separation is completed, it is convenient to by enclosure interior
Trigger part (i.e. by upper bracket 1, lower carriage 9, safety spring 2, triggering block 11, shape-memory alloy wire 10 constitute whole
Body) take out, shape-memory alloy wire 10 is carried out again to load after predeformation using special tooling, you can reuse.
Unspecified part of the present invention belongs to technology as well known to those skilled in the art.
Claims (5)
1. non-firer's separator of a kind of low impact, it is characterised in that including shape-memory alloy wire (10), triggering block
(11) lobe nut (6), locking sleeve (12), compression spring (5), safety spring (2), buffer spring (3), ball (13), rolling, are divided
Pearl baffle ring (14), steel ball (4), housing (8), end cap (7), upper bracket (1), lower carriage (9)；Upper bracket (1) is located at housing (8)
Interior, on lower carriage (9), cavity between upper bracket (1) and lower carriage (9), is formed, triggering block (11) is in cavity；
After shape-memory alloy wire (10) doubling, doubling end is fixed in triggering block (11), and leading-out terminal is through in the middle part of upper bracket (1) end face
Through hole is separately fixed on upper bracket (1) end face, and safety spring (2) is arranged between upper bracket (1) and triggering block (11), there is provided
Tension force makes shape-memory alloy wire (10) exceptionally straight；Lower carriage (9) end flange is stuck at housing (8) inwall ledge structure, another
In end insertion locking sleeve (12), locking sleeve (12) intermediate membrane side is located at, buffer spring (3) is enclosed within lower carriage (9) outward
On wall, one end is connected with lower carriage (9) end flange, and the other end is connected with locking sleeve (12) one end end；Locking sleeve
(12) other end is against on housing (8) end face, in housing (8)；Compression spring (5) is enclosed within locking sleeve (12) outer wall,
One end is against on locking sleeve (12) outer wall ledge structure, and the other end is against on housing (8) end face；Steel ball (4) inlay card is in locking
In sleeve (12) inboard wall groove and lower carriage (9) lateral through aperture and triggering block (11) outer wall is against, triggering block (11) does not install bullet
One side wall of spring has the groove coordinated under released state with steel ball (4)；Lobe nut (6) is divided to be located at locking sleeve (12) intermediate membrane
Opposite side, bolt (15) pass through housing (8) end face center, end in point lobe nut (6), in the middle part of locking sleeve (12) every
Point lobe nut (6) two ends are inserted respectively with a point lobe nut in the center of plate, the bulge-structure of housing (8) end face inwall center
(6) inner hole；Ball baffle ring (14) is enclosed within locking sleeve (12), and ball (13) is embedded in locking sleeve (12) sidewall notches
In, ball baffle ring (14) inwall is against on the outside of ball (13), inner side is against point lobe nut (6) side wall, point lobe nut (6) side wall
There is the groove coordinated under released state with ball (13)；End cap (7) is arranged on housing (8) openend.
2. a kind of non-firer's separator of low impact according to claim 1, it is characterised in that the locking sleeve
(12) buffer spring (3) at two ends and compression spring (5) are compressive state, and the tension force of compression spring (5) is more than buffer spring
3, drive locking sleeve (12) to move to upper bracket (1) when shape-memory alloy wire (10) is triggered.
3. a kind of non-firer's separator of low impact according to claim 1 and 2, it is characterised in that the shape note
The material for recalling B alloy wire (10) is Nitinol.
4. a kind of non-firer's separator of low impact according to claim 1 and 2, it is characterised in that described point of lobe spiral shell
Coordinated by standard thread between female (6) and bolt (15).
5. non-firer's separator of a kind of low impact according to claim 1 and 2, it is characterised in that housing (8)
For hexa-prism cylinder or cylindrical drum, one end open, the other end have end face；Housing (8) has method in the one end near bolt (15)
Blue mounting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611039566.0A CN106494651A (en) | 2016-11-21 | 2016-11-21 | A kind of non-firer's separator of low impact |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611039566.0A CN106494651A (en) | 2016-11-21 | 2016-11-21 | A kind of non-firer's separator of low impact |
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| CN201611039566.0A Pending CN106494651A (en) | 2016-11-21 | 2016-11-21 | A kind of non-firer's separator of low impact |
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Application publication date: 20170315 |